mkosi: update fedora commit reference to cac8dde28a1298bbc2bee40e9ab3b9308392f691

mkosi: update fedora commit reference to cac8dde28a1298bbc2bee40e9ab3b9308392f691

* cac8dde28a test: Allow passing in extra tests to skip via TEST_SKIP
* 56377438ba Disable sysinit-path for upstream builds
* 0c8ea706f9 Fix links to patches
* 4f5b5a9615 Version 259
* bf8019c840 Version 259~rc3
* ef777d6572 Check if --max-lines is supported by meson
* b562e38e22 Fix use of removed $LOCAL_CONF variable
* 0289127dae Patch machined to continue after selinux denial
* 7e409130ee Version 259~rc2
* 33b38cdbc7 Suppress errors from tar
* ddb6474e94 Drop provides for removed sysvinit tools
* 9ac8c36307 Set meson auto features to auto when building for upstream